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Finding the Third Proportional to 8,426,652 and 12,728,536

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Solution

The third proportional to 8,426,652 and 12,728,536 is: 19,226,571.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,426,652 : 12,728,536 = 12,728,536 : x
  2. Step 2: Convert to fraction form
    8,426,652/12,728,536 = 12,728,536/x
  3. Step 3: Cross multiply
    8,426,652x = 12,728,536 × 12,728,536
  4. Step 4: Simplify right side
    8,426,652x = 162,015,628,703,296
  5. Step 5: Solve for x
    x = 162,015,628,703,296/8,426,652
  6. Step 6: Final answer
    x = 19,226,571.68

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.